Drawing

\documentclass{article}

\usepackage{tikz}

\title{Drawing}
\author{VK}
\date{\today}

\begin{document}

\maketitle

\begin{tikzpicture}
	\draw (0,0) -- (0,2);
    \draw (-1, 1) -- (1,1);
    \draw (0,0) -- (1,-1);
    \draw (0,0) -- (-1,-1);
    \draw (0,2.5) circle(.5);
\end{tikzpicture}

\end{document}